initial import of the bcompat plugins (userland layer)

plugins/include/amxmod_compat/mysql.inc

@@ -0,0 +1,20 @@
+
+#if defined _mysql_included
+  #endinput
+#endif
+#define _mysql_included
+
+#include <sqlx>
+
+native mysql_connect(host[], user[], pass[], dbname[], error[], maxlength);
+native mysql_query(sql, query[], {Float,_}:... );
+native mysql_error(sql, dest[], maxlength);
+native mysql_close(sql);
+native mysql_nextrow(sql);
+native mysql_getfield(sql, fieldnum, {Float,_}:... );
+native mysql_getresult(sql, field[], {Float,_}:... );
+native mysql_affected_rows(sql);
+native mysql_num_fields(sql);
+native mysql_num_rows(sql);
+native mysql_field_name(sql, field, name[], length);
+native mysql_insert_id(sql);